Jana's career has always been about people. Having worked in various industries, whether its banking or insurance, player complaints are of great importance for her. This is also why she is dedicated to creating the best casino reviews for players so that their experience of Casino Guru is almost fl...
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Jana K.
Author
Jana Kopecká
Casino Analyst & Complaint Specialist
Jana's career has always been about people. Having worked in various industries, whether its banking or insurance, player complaints are of great importance for her. This is also why she is dedicated to creating the best casino reviews for players so that their experience of Casino Guru is almost fl...
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In-depth review
The goal of this review was taking a closer look at Cosmo Casino. Our expert team used our casino review process to check how it performs and where it lets players down. To form a clear view of this casino's safety, our expert team looked at its Terms and Conditions, licenses, player complaints, support, and limits. They used this data to decide where this casino falls between safe and legit and a clear scam.
The review data forms the basis for our Safety Index score, which is our way of rating how safe and fair an online casino is. A higher Safety Index generally correlates with a higher likelihood of a positive gameplay experience and hassle-free withdrawals. Cosmo Casino scored a Below average Safety Index of 6.4, which makes it a suboptimal option for most players in terms of fairness and safety. Read our Cosmo Casino review to discover more about this casino and decide whether it is a suitable option for you.
Safety Index – Cosmo Casino fairness and safety
To calculate a casino's Safety Index, we use a complex formula that takes into account a plethora of information we have collected and evaluated in our review. That entails the casino's Terms and Conditions, complaints from players, estimated revenues, blacklists, and many others.
In our Cosmo Casino review, we extensively examined and analyzed the Terms and Conditions of Cosmo Casino. We discovered some rules or clauses that were not to our liking and, on the whole, we find the T&Cs to be somewhat unfair. Unfair or predatory rules can possibly be used against players to excuse not paying out winnings to them. Because of our findings, we suggest proceeding with caution if you settle on playing at this casino.
Cosmo Casino is a very big online casino based on our estimates or collected information. Considering its size, this casino has a very low sum of disputed winnings in complaints from players (or it has not received any complaints whatsoever). We consider the casino's size and player complaints in relation to each other, as bigger casinos tend to receive more complaints due to their higher number of players.
As far as we know, no relevant casino blacklists include Cosmo Casino. The inclusion of a casino in blacklists, such as our Casino Guru blacklist, could suggest misconduct against customers. It's advisable for players to factor this in when making their casino choices.
Taking into account all factors in our review, Cosmo Casino has scored a Safety Index of 6.4, representing a Below average value. For players seeking an online casino that prioritizes fairness in the online gambling experience they offer, this casino is not a good fit.
Note: As far as we are concerned, Cosmo Casino is related to 44 different casinos. Taking into account the connection between these casinos, we factored in the qualities of the associated casinos when evaluating the Safety Index of Cosmo Casino. This connection has resulted in an increased Safety Index.
Cosmo Casino Terms and Conditions
To see how fair a casino is, we read through its T&Cs as part of every review. In T&Cs of many casinos, we come across certain clauses, which we perceive as unjust or overtly predatory. In some cases, these give the casino the possibility to justify withholding player winnings.
We found some questionable rules or clauses during our review, because of which we consider the Terms and Conditions of Cosmo Casino to be somewhat unfair.
Note: Please take a look at our particular findings from the T&Cs examination here.
Complaints from Cosmo Casino players
Our casino assessment approach relies heavily on player complaints, which provide us with a comprehensive understanding of struggles experienced by players and how casinos address them. When calculating the Safety Index of each casino, we consider all complaints received through our Complaint Resolution Center, as well as those sourced from other channels.
We currently have 0 complaints directly about this casino in our database, as well as 16 complaints about other casinos related to it. Because of these complaints, we've given this casino 2,006 black points in total, out of which 2,006 come from related casinos. You can find more information about all of the complaints and black points in the 'Safety Index explained' part of this review.
Cosmo Casino user feedback and reviews
Casino Guru, provides a platform for users to rate online casinos and express their opinions, feedback, and user experience. Relying on the collected data, we compute an overall user satisfaction score that varies from Terrible to Excellent.
Judging by the 6 user reviews given to Cosmo Casino, it has a Good User feedback score. The reviews submitted by users are available in the 'User reviews' segment of this page.
Note: User reviews may not accurately reflect the casino's quality since some casinos may try to generate fake reviews to boost their user feedback rating, and dissatisfied players may also submit negative reviews to harm the casino's reputation. Although we make every effort to filter them out and calculate an impartial user feedback score, we do not include user reviews in our Safety Index calculation just to be sure.
Cosmo Casino company data and licenses
Cosmo Casino is owned by Rock Swift Group Limited and has estimated annual revenues higher than $1,000,000. This establishes it as one of the smaller online casinos within the bounds of our categorization.
Cosmo Casino has a gambling license issued by Kahnawake Gaming Commission in Kahnawake.
Win and withdrawal limits, payment options
Cosmo Casino accepts deposits via 28 payment methods. This includes: Skrill, Neteller, PaysafeCard, Mastercard, VISA, Trustly Pay, PayPal, Nordea, Neosurf, Bitcoin (BTC), Online bank transfer, AstroPay, Bank transfer, OP-Pohjola, Interac, Ethereum (ETH), Tether (USDT), Aktia Bank, OmaSP, Revolut, eCheck (eCheque), Alandsbanken, Danske Bank, S-Pankki, POP Pankki, Oma Säästöpankki, Online Uberweisen, Check (Cheque).
There are often restrictions on how much money players can win or withdraw at online casinos. In many cases, these can be high enough not to affect most players, but some casinos do have win or withdrawal limits that can be quite limiting. That is the reason why we look for these while reviewing casinos. The following table provides details on the casino's win and withdrawal limits.
Withdrawal limits
Win limits
EUR 4,000 per week
No win limit
Note: It is likely that not all of the payment methods listed above are suitable for both deposits and withdrawals. Furthermore, certain payment options may only be available in specific countries.
Languages and customer support options
To be able to guide players towards casinos with customer support and website in a language they understand, we examine the available options as part of our review process. The language and support options at Cosmo Casino are shown in the table below.
Language
Website
Customer support
Live chat
Slovak
English
24/7
Spanish
24/7
Portuguese
24/7
Russian
Japanese
German
24/7
Finnish
24/7
Swedish
Italian
Bulgarian
Korean
Czech
Danish
24/7
Greek
Ukrainian
French
24/7
Turkish
Polish
Dutch
Hindi
Croatian
Hungarian
Indonesian
Norwegian
Slovenian
Thai
Vietnamese
Chinese
Contacting the casino's customer support is part of our review process, so that we know whether players have access to a good quality service. Since customer support can assist you with problems related to registration process at Cosmo Casino, account problems, withdrawals, or other issues, it holds significant value for us. Cosmo Casino has an average customer support, judging by the results of our testing.
Casino games and slots available at Cosmo Casino
Cosmo Casino has these types of casino games on offer: Slots, Roulette, Blackjack, Video poker, Bingo, Baccarat, Jackpot games, Live games, Craps and dice, Keno, Scratch cards, Other card games, Other games, Crash games, Live shows, Live baccarat, Live bingo, Live blackjack, Live dice games, Other live games, Live poker, Live roulette.
Games from 38 casino game providers are available. This includes Apricot (Microgaming), Evolution Gaming, Pragmatic Play, Rabcat, 1X2 Gaming, Gameburger Studios, Real Dealer Studios, PearFiction Studios, Atomic Slot Lab, Switch Studios, Old Skool Studios, Half Pixel Studios, Neon Valley Studios, Slingshot Studios, Alchemy Gaming, GONG Gaming Technologies, Pulse 8 Studios, SpinPlay Games, Neko Games, Nailed it! Games, Fortune Factory Studios, Gold Coin Studios, All For One Studios (ALL41), Hammertime, Aurum Signature Studios, Northern Lights Gaming, Games Global, Just For The Win, MahiGaming, Foxium, Snowborn Games, Buck Stakes Entertainment, Epic Industries, Stormcraft Studios, Circular Arrow, Triple Edge Studios, Crazy Tooth Studio, Infinity Dragon Studios.
Bonuses and codes offered by Cosmo Casino
Bonuses for new and existing players are a way for online casinos to motivate the people to register and try their offer of games. The most common are no deposit bonuses or free spins that you can get for just registering, and deposit bonuses that are given to players for making a deposit. That being said, casinos might offer other types of bonus codes, welcome sign-up bonuses, or loyalty programs as well.
However, we are sorry to inform you that there are currently no bonus offers from Cosmo Casino in our database.
Please bear in mind that players from certain regions might not have access to these bonus offers. To see which bonuses you are eligible for, visit the 'Bonuses' section of this review.
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Company info
Owner
Rock Swift Group Limited
Established
2017
Estimated annual revenues
< $1,000,000
Safety and fairness
Safety and fairness
Take a look at the explanation of factors that we consider when calculating the Safety Index rating of Cosmo Casino. The Safety Index is the main metric we use to describe the trustworthiness, fairness, and quality of all online casinos in our database.
We go over the terms and conditions of each casino and look for unfair rules that could potentially be used against players. Any clauses we consider to be unfair result in a lower Safety Index for the casino.
Casino size
Small to medium casinoVery big group
Bigger casinos are generally safer for players, because their high revenues allow them to pay out even very big wins without any issues and their quality has been proven by a large number of players. We take into account estimated revenues over the last 4 years and also consider revenues of related casinos.
Player complaints signify that the casino does not treat players right or deal with certain situations correctly. We consider the number and seriousness of complaints in relation to the casino’s size, as it can be expected that sites with more players will also have more complaints.
Blacklists
None
0x
If a casino appears on relevant blacklists, it is usually a sign that it has some negative qualities. We consider each blacklist and decrease the casino’s Safety Index based on our view of the situation and its seriousness.
Other factors
Negative
There can also be other characteristics and qualities of a casino that influence its Safety Index, such as win limits, low withdrawal limits, fake games or licenses, bad or no customer support, a network of land-based shops, etc.
Explore the game selection available at Cosmo Casino. Find out what types of games are available, which game providers are supported, and which are the most popular titles available at the casino.
Game types
Games
Live games
Slots
Roulette
Blackjack
Betting
Video poker
Bingo
Baccarat
Jackpot games
Live games
Poker
Craps and dice
Keno
Scratch cards
eSports betting
Crash games
Available: 12
Not Available: 3
Live shows
Live baccarat
Live bingo
Live blackjack
Live dice games
Other live games
Live poker
Live roulette
Available: 8
Not Available: 0
Most popular games
Gates of Olympus
by Pragmatic Play
Sugar Rush
by Pragmatic Play
Sweet Bonanza
by Pragmatic Play
Sugar Rush 1000
by Pragmatic Play
Gates of Heaven
by Pragmatic Play
Fury of Anubis
by Pragmatic Play
Starlight Princess
by Pragmatic Play
Bigger Bass Bonanza
by Pragmatic Play
Big Bass Bonanza
by Pragmatic Play
Fortune of Olympus
by Pragmatic Play
Big Bass Bonanza 1000
by Pragmatic Play
Gates of Olympus Xmas 1000
by Pragmatic Play
Game providers
Show all
(38)
Game providers (38)
Casino Bonuses
Cosmo Casino bonuses
Browse all bonuses offered by Cosmo Casino, including their no deposit bonus offers and first deposit welcome bonuses.
No bonuses available for players from Ohio
Unfortunately, it seems that Cosmo Casino does not offer any bonuses to players from your country.
Payment methods
Payments
Browse an overview of payment methods supported by Cosmo Casino, along with related limits and fees associated with transactions to or from your casino account.
Payment methods
Show all
(28)
Payment methods (28)
Transaction limits
Withdrawal limits
€4,000
per week
Win limits
Unknown
Currencies
Traditional
Supported Fiat currencies.
USDCADEURGBPNZD
Customer support
Customer support
Curious about the customer support options available at the casino? Explore the language options and support types, as well as the results of our customer support testing.
Language options
Website
Available in
29 languages
EnglishChineseFrenchGermanItalian
24 more
All languages (29)
English
Chinese
French
German
Italian
Russian
Spanish
Bulgarian
Croatian
Czech
Danish
Dutch
Finnish
Greek
Hindi
Hungarian
Indonesian
Japanese
Korean
Norwegian
Polish
Portuguese
Slovak
Slovenian
Swedish
Thai
Turkish
Ukrainian
Vietnamese
Live chat
Available in
7 languages
EnglishFrenchGermanSpanishDanish
2 more
All languages (7)
English
French
German
Spanish
Danish
Finnish
Portuguese
Customer support:
Available in
7 languages
EnglishFrenchGermanSpanishDanish
2 more
All languages (7)
English
French
German
Spanish
Danish
Finnish
Portuguese
Live chat rating
Average
Based on 6 tests
Date and tester
Rating
27 Nov 2025
Jana K.
Average
05 Feb 2025
Mirka D.
Bad
11 Jun 2024
Burak O.
Bad
29 May 2024
Burak O.
Average
11 Apr 2023
Michaela S.
Average
07 Apr 2022
Burak O.
Good
User reviews
User reviews of Cosmo Casino
This is a place to share experience with Cosmo Casino. Read what other players wrote about it or write your own review and let everyone know about its positive and negative qualities based on your personal experience.
User feedback:
Good
Rated by 6 users
Very positivePositiveNeutralNegativeVery negative
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Casino Guru
We want players to understand gambling.
• 1 week ago
I played at Cosmo Casino for years, depositing nearly every single day. My routine was simple: deposit, take the daily match bonuses or free spins they offered, and collect VIP loyalty points. I also took part in their "Rewards Riches" promo, which hands out gift boxes with bonus cash, free spins, and VIP points to active depositors.
I played completely by their own rules. The cashier offered bonuses, I accepted them, wagered them, and when I met playthrough, I occasionally withdrew. Then, completely out of nowhere, my account got hit with a "bonus abuse" flag. Their excuse was that I took too many bonuses in a row—even though their own automated cashier presented and credited every single one of them.
Here is what that restriction actually did to my account:
Over €200 in VIP points are frozen. The loyalty points I earned from thousands of euros in real-money bets cannot be converted into bonus cash. The system simply blocks the redemption.
Stripped from Rewards Riches. The main feature that rewarded frequent depositing was turned off completely.
Selective restrictions. Only standard deposit match bonuses remain open to me, while the exact perks where I actually managed to make a profit and cash out (VIP point conversions and Rewards Riches) were cut off. In the 6 months since this happened, getting a withdrawal has been next to impossible.
Support loop. For over half a year, live chat has given me the exact same canned reply: just keep depositing and wagering as normal, and the system might lift the restriction someday.
A repeating trick. This is the second time they have pulled this. Last year they restricted me, lifted it after several months, and then slapped it right back on barely a month later once I started redeeming points again.
The only good aspect here is that the live chat staff are friendly and reply fast. Beyond that, the service is heavily outdated: withdrawals sit pending for a mandatory 48-hour holding period before they even touch them, even if you cash out using crypto.
Cosmo is happy to take daily deposits, but the minute you use their built-in loyalty program to come out ahead, they freeze your rewards. Be very careful trusting their VIP system.
Friendly 24/7 support
Mega Moolah jackpots
Daily bonuses
Glitchy website on long session
2 day withdrawal time for FIAT or crypto
Random account restriction without an end date
Only two, but large slots providers
For responsible gambling always need to ask support
• 2 years ago
Problems with payout only question hir question because who comes to payout Dan week lasts written with 6 employees and nothing else, verification took also long. Good thing only here is staff.
Probleme mit auszahlung nur Frage hir Frage da wen kommt zu Auszahlung Dan Woche dauert mit 6 Mitarbeiter geschrieben und weiter nichts
Staff nice
Mitarbeiter nett
Payout problems
Auszahlung probleme
• 3 years ago
Always good bonuses, monthly cash gifts, fast payouts and good profits
Immer gute Bonis monatliche Geldgeschenke schnelle Auszahlung und gute Gewinne
• 4 years ago
Hey I won almost 16 thousand € on Thursday and requested the payout. Didn't actually expect the profit to be paid out because I've only read bad reviews. On Monday I got an email that my payment was processed and will now be transferred. I still had a bad feeling and didn't believe it. The money was in my account on Tuesday afternoon 🙈
Hey ich habe am Donnerstag knapp 16 tsd € gewonnen und die Auszahlung beantragt. Hab eigentlich nicht damit gerechnet das der Gewinn ausgezahlt wird da ich nur schlechte Bewertungen gelesen habe. Am Montag bekam ich eine Mail das meine Auszahlung bearbeitet wurde und nun überwiesen wird. Ich hatte immer noch ein ungutes Gefühl und habs nicht geglaubt. Am Dienstag Nachmittag war das Geld auf meinem Konto 🙈
• 4 years ago
I just finished the game at cosmo casino because I am surprised by a game that you can say robbed me and it is hot game I started the game with 1000e for 3 euros 1 turn the game did not give me any satisfaction because it ate all the money with 1 turn of 3 euros not giving any win or exceeding the sum 1000e and the customer service offers me a deposit bonus, just like everyone else received. I wanted to add that the status is diamond and I considered it a joke because the costumer serce would explain to me how the game works
• 5 years ago
the worst casino in the beginning everything is good then even ask for an airplane license if you save money !! the money you make is definitely lost They will do what they can not to give it to you very big scammers, thieves In Russian roulette, you have more chances of winning every 6 months they want identification, bank statements, account number, address, bank statements with their name, bank statements 3 months ago, bank statements 5 months ago, bank statements 8 months ago, driver's license, last deposit, last payout, electricity bill and whatever else you can imagine, to make your profits
THEY ARE BIG CHEATERS COSMO CASINO & CAZINOGROUNDS
das schlechteste Casino am anfang ist alles gut dann fragen sie sogar nach einem flugzeugführerschein, wenn du geld sparst!! das Geld, das du verdienst, ist definitiv verloren Sie werden tun, was sie können, um es dir nicht zu geben sehr große Betrüger, Diebe Beim russischen Roulette haben Sie mehr Gewinnchancen alle 6 Monate wollen sie Ausweis, Kontoauszüge ,Kontonummer,Adresse,Kontoauszüge mit Name,Kontoauszüge vor 3 Monaten,Kontoauszüge vor 5 Monate,Kontoauszüge vor 8 Monaten, führerschein, letzte Einzahlung, letzte Auszahlung, Stromrechnung und was Sie sich sonst noch vorstellen können, um Ihre Gewinne zu erzielen
SIE SIND GROSSE BETRÜGER COSMO CASINO & CAZINOGROUNDS
Discussion
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